Dec. 11, 2003: Walker pronounced dead at 2:28 a.m. Then-Sheriff Ralph Johnson calls it "a tragic day for the family of the deceased and for my office and for the city of Columbus." Glisson placed on administrative leave.

March 17, 2005: Michael Undrea Powell, one of three men later arrested in connection with the drug investigation, pleads guilty to possessing cocaine with intent to distribute, sentenced to eight years in prison.

Aug. 31, 2006: U.S. District Court Judge Clay Land rules city and sheriff entitled to immunity but denies it for Glisson and Metro Narcotics agents Rick Stinson and Jim Price based on what confidential informant claims he told them.

Oct. 11, 2006: To 11th Circuit Court of Appeals, Cheryl Walker appeals Land's ruling that Stinson and Price may be liable for detention of Walker and companions, but not for Walker's death.

Aug. 9, 2007: Judge Land decides FBI evidence secretly presented to federal grand jury is critical to the Walkers' civil suit and must be heard.

Nov. 6, 2007: Court filings show confidential informant used in drug investigation that led to Walker's death lied in 2006 affidavit filed with Walker's civil suit. That affidavit figured prominently in Land's decision to deny immunity to Stinson and Price.

April 23, 2008: Mayor Wetherington asks attorney and former mayor Frank Martin to help reach settlement with Walker family.

Aug. 12, 2008: Columbus Council votes to settle with Cheryl Walker for $200,000 to be placed in trust for Kayla. Anonymous donors add $250,000. Former Metro agent Jim Price has insurance that adds $60,000 to settlement.

Sept. 9, 2008: Columbus Council votes 6-5 against giving Public Safety Advisory Commission power to investigate law enforcement complaints, with Wetherington breaking tie.